What you’ll learn to do: Discuss how different body systems interact with one another

As we’ve learned our bodies are complicated systems made up of cells, tissues, organs, and organ systems. In order for life to function properly, however, these systems must work together. Organs often perform roles in multiple systems, due to their unique functions. In this section, we’ll learn how systems work together, and we’ll learn about a few essential life functions that require work from multiple body systems.